Home / 284,256,133.72-392,276,168.98-166,783,462.64

Finding the Fourth Proportional to 284,256,133.72, 392,276,168.98 and 166,783,462.64

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Solution

The fourth proportional to 284,256,133.72, 392,276,168.98 and 166,783,462.64 is: 230,162,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,256,133.72 : 392,276,168.98 = 166,783,462.64 : x
  2. Step 2: Convert to fraction form
    284,256,133.72/392,276,168.98 = 166,783,462.64/x
  3. Step 3: Cross multiply
    284,256,133.72x = 392,276,168.98 × 166,783,462.64
  4. Step 4: Simplify right side
    284,256,133.72x = 65,425,177,773,638,152
  5. Step 5: Solve for x
    x = 65,425,177,773,638,152/284,256,133.72
  6. Step 6: Final answer
    x = 230,162,765.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.